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Cheap flights from Washington, D.C. to Knock from €622

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Knock departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Washington, D.C. to Knock

Cheap return flights

Multiple Airlines Logo
18:20 - 12:25IAD-NOC
13h 05m1 stop
Multiple Airlines Logo
13:00 - 19:55NOC-IAD
11h 55m1 stop
€622Multiple Airlines
Find Deal
Sun, 2 Nov - Sun, 9 Nov
Multiple Airlines Logo
13:20 - 12:25IAD-NOC
19h 05m2 stops
Multiple Airlines Logo
13:00 - 20:59NOC-IAD
35h 59m2 stops
€631Multiple Airlines
Find Deal
Tue, 17 Mar - Sun, 22 Mar
British Airways Logo
19:20 - 12:25IAD-NOC
13h 05m1 stop
British Airways Logo
13:00 - 16:35NOC-IAD
31h 35m2 stops
€632British Airways
Find Deal
Tue, 17 Mar - Sun, 22 Mar
Multiple Airlines Logo
19:20 - 12:25IAD-NOC
13h 05m1 stop
Multiple Airlines Logo
13:00 - 16:35NOC-IAD
31h 35m1 stop
€638Multiple Airlines
Find Deal
Tue, 17 Mar - Sun, 22 Mar
British Airways Logo
18:20 - 12:25IAD-NOC
13h 05m1 stop
British Airways Logo
13:00 - 15:35NOC-IAD
31h 35m2 stops
€639British Airways
Find Deal
Sun, 2 Nov - Sun, 9 Nov
Multiple Airlines Logo
18:00 - 15:55IAD-NOC
16h 55m2 stops
Multiple Airlines Logo
09:15 - 15:15NOC-IAD
35h 00m3 stops
€712Multiple Airlines
Find Deal
Sun, 2 Nov - Sun, 9 Nov
Multiple Airlines Logo
09:00 - 16:55IAD-NOC
26h 55m3 stops
Multiple Airlines Logo
09:15 - 15:15NOC-IAD
35h 00m3 stops
€720Multiple Airlines
Find Deal
Sun, 2 Nov - Sun, 9 Nov
Multiple Airlines Logo
09:00 - 16:55IAD-NOC
26h 55m3 stops
Multiple Airlines Logo
13:00 - 15:35NOC-IAD
31h 35m1 stop
€887Multiple Airlines
Find Deal
Sun, 2 Nov - Sun, 9 Nov
Aer Lingus Logo
17:50 - 12:35IAD-NOC
13h 45m1 stop
Aer Lingus Logo
13:05 - 20:20NOC-IAD
12h 15m1 stop
€1,013Aer Lingus
Find Deal
Mon, 6 Oct - Sat, 11 Oct
British Airways Logo
20:25 - 12:35IAD-NOC
35h 10m2 stops
British Airways Logo
13:05 - 20:20NOC-IAD
12h 15m1 stop
€1,035British Airways
Find Deal
Mon, 6 Oct - Sat, 11 Oct

British Airways flights from Washington, D.C. to Knock

Our best British Airways deals on Washington, D.C. to Knock flight tickets
British Airways
17 Mar
IAD19:20Washington, D.C. Dulles Intl
13h 05m
1 stop
NOC12:25Knock Intl
22 Mar
NOC13:00Knock Intl
31h 35m
2 stops
IAD16:35Washington, D.C. Dulles Intl
€632
Find similar
British Airways
2 Nov
IAD18:20Washington, D.C. Dulles Intl
13h 05m
1 stop
NOC12:25Knock Intl
9 Nov
NOC13:00Knock Intl
31h 35m
2 stops
IAD15:35Washington, D.C. Dulles Intl
€639
Find similar
British Airways
6 Oct
IAD20:25Washington, D.C. Dulles Intl
35h 10m
2 stops
NOC12:35Knock Intl
11 Oct
NOC13:05Knock Intl
12h 15m
1 stop
IAD20:20Washington, D.C. Dulles Intl
€1,035
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Washington, D.C. to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 2/11

18:20-12:25

1 stop13h 05m

Knock Intl

Sun 9/11

13:00-19:55

1 stop11h 55m

€622

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 17/3

13:20-12:25

2 stops19h 05m

Knock Intl

Sun 22/3

13:00-20:59

2 stops35h 59m

€631

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 17/3

19:20-12:25

1 stop13h 05m

Knock Intl

Sun 22/3

13:00-16:35

2 stops31h 35m

€632

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 17/3

19:20-12:25

1 stop13h 05m

Knock Intl

Sun 22/3

13:00-16:35

1 stop31h 35m

€638

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 2/11

18:20-12:25

1 stop13h 05m

Knock Intl

Sun 9/11

13:00-15:35

2 stops31h 35m

€639

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 2/11

18:00-15:55

2 stops16h 55m

Knock Intl

Sun 9/11

09:15-15:15

3 stops35h 00m

€712

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 2/11

09:00-16:55

3 stops26h 55m

Knock Intl

Sun 9/11

09:15-15:15

3 stops35h 00m

€720

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 2/11

09:00-16:55

3 stops26h 55m

Knock Intl

Sun 9/11

13:00-15:35

1 stop31h 35m

€887

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 6/10

17:50-12:35

1 stop13h 45m

Knock Intl

Sat 11/10

13:05-20:20

1 stop12h 15m

€1,013

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 6/10

20:25-12:35

2 stops35h 10m

Knock Intl

Sat 11/10

13:05-20:20

1 stop12h 15m

€1,035

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from Washington, D.C. to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Knock?

On average, it takes 11h 10m to fly from Washington, D.C. to Knock if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Shannon, Clare (the most popular airport in Knock). If you’re flying out of Baltimore and into Shannon, Clare, then the flight time is around 13h 15m.

When to book flights from Washington, D.C. to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to Knock (WAS to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Knock

Direct flights

None
There are no direct flights from Washington, D.C. to Knock. There are no popular flight routes from Washington, D.C. to Knock.
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  • How far is Washington, D.C. to Knock Intl by plane?

    Washington, D.C. and Knock Intl are 5256.3 km apart from one another. Typically, this will take 13h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Knock Intl Airport?

    Prices for flights from Washington, D.C. to Knock Intl Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. to Knock Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet
Newport

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Knock on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

Once all potential Washington, D.C. to Knock flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

Price alerts on flights to Knock from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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